"I did Kickass a month b4 Sandy Hook and now in all good conscience I cannot support that level of violence," he tweeted.

"Kick-Ass" creator Mark Millar responded on his website: "I respect his politics and his opinion, but I'm baffled by this sudden announcement as nothing seen in this picture wasn't in the screenplay eighteen months ago. Yes, the body-count is very high, but a movie called 'Kick-Ass 2' really has to do what it says on the tin."

Carrey also tweeted the following on Sunday:

Btw I don't need a crisis mgr, just a conscience. Calling ppl names is inappropriate but my position on assault weapons hasn't changed. ;^}